| Subject | Text |
| Re: ATX Power Supplies | I am pretty sure that all ATX switching power supplies require
a load to operate. Which voltage(s) |
| Re: Repair tip for Viewsonic N3250W or N3235W power supply | Sounds like I keep having to repeat myself ...
[quote:d5074c6e4a="jts1957"]:evil: PEOPLE [n3250] |
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| Several possibilities DEPENDING on what type of an amp & design;
It is quite possible that t |
| Toshiba TV 14R21 (PWB-1386 Board) keeps power on and off | I have a 14R21 Toshiba old TV and still not consider it as a junk. The problem now was after few min |
| If Radio / CD, etc. ALL work ... Your receiver is fine.
To confirm, take one of your working inputs |
| HP laserjet 4L - Has anyone experienced this propblem ? | Has anyone experienced this problem ?
And does anyone know the cause of this problem ?
HP lase |
| I guess you have to test the ripple in all supplies, either swithing and line outputs. It can be a f |
| tv 770c schematic diagram | hello
casio tv 770c backlight problem fluorescent tube no light and noise distorsion sound what t |
| Here is an update on my current findings:
I got some inputs from a technician. He told me that af |
| Can this circuit board be fixed? Help! | Hi all, I have a projector that suddenly stopped working after a pop noise.
When I took it apart |
| Check Red color gun transistor at neck of crt or at mainboard. check also traces going to color sour |
| Call for t-shoot oppinion and where to find BA6996FP | If you have any old vcr's around you may be lucky as it is a common i.c for driving motors. Sorry I |
| dvd Philips LX3600-disc dosn't turning | Hello everybody,
problem:
the motor disc is not turning on, after inserting in tray. "NO DISC" |
| Have been out of consumer electronics for some time...I used to see this problem on a regular bases |
| Transistors with 2N marking and so low numbers are really old (early-mid sixties), so in a ballast f |
| Re: NEC 50 mp1 half screen problem | [quote:a64d0a0d40="ahelfer"]I am hopeful that someone in this forum can help me. I have 2 plasma mo |
| Re: Sony KV-21GMR1 | [quote:369e5e012c="marlon"]my Sony KV-21GMR1 is shutting down when u turn it on...you have to turn i |
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| Have you disconnected the Y and X and no change? Have you disconnected the bottom buffer boards or t |
| This monitor requires bot the H-Sync and the V-Sync to be the correct way up ie +ve going or -ve goi |
| Hi,
i fear you have damaged your player.
Before choosing that test you have to disconnect some cab |
| Now sometimes you'll have a screeching noise that is a sign of excessive horizontal ripple from a dc |
| hcn4727w red blink | similar to //forum.eserviceinfo.com/viewtopic.php?t=23895&start=20&postdays=0&posto |
| RCA 27R410T Chassis ITC008FAM | Actually mine doesn't even come up at all now. No flickers, no nothing. It does however have a hummi |
| You need to check the output transistors for shorts. Test the forward junction voltage drop with a m |
| Re: philips tv 32pw9523/05m chassis smg2.ie | [quote:b59e9ef0d3="willtom"]this set is tripping with high pitch noise every 2 or 3 seconds
any t |
| Onkyo A7090 Service and User Manuals | I'm searching for a source of the above manuals, if you've ever seen one of these beasts you'll unde |
| Looking for parts...Samsung 760V TFT | My Samsung Syncmaster 17" 760V LCD monitor has a problem where the screen will go black right a |
| Panasonic TX-32PM11F scart input black and white only | Hi,
I have one Panasonic Tx-32PM11F tv.
The scart input without RGB has now a problem :x
It |
| Nitrogen Laser Power Supply (ignition coil) | How's it goin, I am trying to design up a high voltage power supply for a nitrogen laser using the c |
| James,
Looking at the protection ckt in question, you've figured out it's operation. It is based on |